Indiana

Buying Land in DeKalb County, Indiana

Seat Auburn, in Indiana's northeastern corner. DeKalb County has genuine, still-unsettled tension over commercial solar development on farmland -- a 2021 moratorium, a solar overlay ordinance amended more than once since, and a large proposed project the county's own Plan Commission recommended against. This is DeKalb County, Indiana, not the similarly named Illinois county with its own separate solar history.

Countywide Zoning Under a Unified Development Ordinance

Generally favorable

DeKalb County's Department of Development Services administers a Unified Development Ordinance (UDO) and Comprehensive Plan through the County Plan Commission. Auburn and other incorporated towns run their own separate zoning, so confirm which body has jurisdiction over a specific parcel.

A Real, Ongoing Fight Over Commercial Solar on Farmland

Case-by-case / verify locally

Since a May 2021 moratorium, DeKalb County has adopted and repeatedly amended a Commercial Solar Energy Systems Overlay ordinance amid sustained farmland-conversion opposition, and its own Plan Commission gave an unfavorable recommendation to a roughly 1,700+ acre proposed project (Sculpin Solar) in 2023. See our dedicated wind and solar leasing page for what this means for a specific parcel.

Septic Through a Direct County Health Department

Generally favorable

The DeKalb County Health Department in Auburn permits septic systems under the statewide ISDH framework.

Zoning: a Unified Development Ordinance, with Auburn and other towns zoning separately

DeKalb County's Department of Development Services administers a countywide Unified Development Ordinance (UDO) and Comprehensive Plan, with the County Plan Commission handling rezonings, ordinance amendments, and development-plan approvals for unincorporated territory. Auburn, the county seat, and DeKalb County's other incorporated municipalities each maintain their own separate planning and zoning jurisdiction rather than falling under the county's UDO -- so a parcel's applicable zoning authority in DeKalb County depends specifically on whether it sits inside or outside a town's corporate limits.

Commercial Wind Energy Conversion Systems are permitted in the county's UDO as special exceptions within Agricultural, Industrial Business Park, and Low Intensity Industrial zoning districts -- worth knowing given how much attention the county's separate solar rules have drawn in recent years, described below.

A genuine, still-live fight over solar development on farmland

In May 2021, DeKalb County Commissioners imposed a 60-day moratorium on new commercial solar farm applications, after reports surfaced of a private company signing leases toward a roughly 1,600-acre solar project south of Butler; the stated purpose was to give the county time to study what a solar ordinance should actually contain. That study process led to an October 2021 ordinance establishing a Commercial Solar Energy Systems Overlay (CSESO) district -- but setback distances between solar arrays and neighboring homes and property lines remained contentious, and the county board approved further amendments to the solar rules in October 2022 after renewed public debate.

That ongoing tension reflects real projects on the ground, not just theoretical rulemaking: a 55-acre solar array was built along the west side of I-69 in Auburn, and a roughly 1,250-acre project was proposed near the Steel Dynamics steel plant in Butler. More significantly, Sculpin Solar -- a 180-megawatt project developed by EDF Renewables (with RWE now involved), spanning roughly 1,778.8 leased acres across 45 parcels in Stafford and Wilmington Townships near Butler, targeting a December 2028 commercial-operation date -- received an unfavorable recommendation from the DeKalb County Plan Commission after a contentious October 2023 public hearing, with opponents citing lost farmland and flooding concerns; despite that unfavorable recommendation, the project remained listed as active in developer and industry-tracking materials afterward. See our dedicated wind and solar leasing page for DeKalb County for what an unfavorable Plan Commission recommendation does and doesn't mean for a project's ultimate approval, and what to check if you're evaluating land near a proposed site.

Septic and other departments to know

Septic permitting in DeKalb County, Indiana runs through the DeKalb County Health Department (220 E. Seventh Street, Auburn; (260) 925-2220; hdepartment@co.dekalb.in.us), whose Environmental Health division licenses and inspects residential on-site sewage systems under Indiana's statewide ISDH 410 IAC 6-8.3 rule. Every septic installer working in the county must carry a current registration with the department -- confirm that directly for any contractor before hiring, rather than assuming a listed installer is currently in good standing.

The DeKalb County Assessor's office ((260) 925-1824) and county GIS resources (accessible via the county's Beacon-hosted mapping platform) cover parcel data and valuation, and the County Recorder ((260) 925-2112) holds deeds, easements, and plats -- including any recorded solar-lease easement, which is worth checking directly if you're evaluating land anywhere near the Butler or Auburn solar-project areas described above.

What we could and couldn't confirm

This page is specifically about DeKalb County, INDIANA -- confirmed via the co.dekalb.in.us government domain -- not the similarly named DeKalb County, Illinois, whose government domain (dekalbcounty.org) and health department (health.dekalbcounty.org) surfaced in several initial search results for generic 'DeKalb County' septic and solar queries. This research pass identified and excluded Illinois-specific content, including a reference to 'Illinois Department of Public Health Licensed Septic System Installation Contractors' and a solar-farm-approval story tied to Shabbona Township (which is in DeKalb County, Illinois, not Indiana). Direct WebFetch access to co.dekalb.in.us and most news-outlet domains was blocked by a network egress restriction throughout this research pass, so ordinance and project details rely on WebSearch-indexed summaries rather than full verbatim reads of the UDO, CSESO ordinance text, or Plan Commission meeting minutes. Sculpin Solar's acreage (1,778.8 leased acres, 45 parcels), capacity (180 MW), and target online date (December 2028) come from RWE's own project page and industry-tracking sites; whether the project ultimately proceeded, was resubmitted, or was abandoned after the 2023 unfavorable Plan Commission recommendation was not confirmed in this research pass.

Verify directly with: DeKalb County's Department of Development Services for current UDO and Commercial Solar Energy Systems Overlay provisions and the status of any pending solar or wind project near a specific parcel, and the DeKalb County Recorder for existing recorded solar-lease easements on a specific parcel

Who to Call Before Buying Land in DeKalb County

Direct WebFetch access to co.dekalb.in.us was blocked by a network egress restriction throughout this research pass, so several department details reflect search-indexed content rather than a full verbatim read -- confirm current staff, hours, and fees directly. This page describes DeKalb County, INDIANA (seat Auburn) specifically; a same-named DeKalb County, Illinois (seat Sycamore) has its own separate, already-published page on this site with different facts, and content from that Illinois county's domains (dekalbcounty.org, health.dekalbcounty.org) was deliberately excluded here.

Planning & Zoning

DeKalb County Department of Development Services

Zoning verification for unincorporated DeKalb County; Unified Development Ordinance questions, including the Commercial Solar Energy Systems Overlay district.

Phone: (260) 925-1923Official website →

Building & Permitting